Table 3 Neuropsychological and demographic characteristics by genotype.

From: Aging and the Combined effects of ADRA2B and CB1 deletions on Affective Working Memory

Test variable

ADRA2B (24)

CB1 (113)

DOUBLE (56)

NONE (35)

M

SD

M

SD

M

SD

M

SD

Age (in years)

72.8

7.6

73.9

7.2

71.9

7.4

71.0

6.6

Education (in years)

6.3

2.5

8.4

4.7

7.4

4.0

7.9

4.8

Forward Digit span

4.7

1.5

6.1

2.2

5.8

2.0

5.3

2.1

Backward Digit span

4.8

1.5

4.9

2.2

4.6

1.9

4.3

1.8

FAS

8.6

3.7

8.3

3.9

7.7

3.4

8.9

4.4

PANAS pos

33.5

6.9

32.6

7.8

34.3

11.3

33.7

7.4

PANAS neg

18.0

5.1

19.0

6.8

20.1

7.6

19.0

7.5